Tag: MQTT 5

User Properties - MQTT 5.0 new features
User Properties - MQTT 5.0 new features

User Properties are the user-defined properties that allow users to add their metadata to MQTT messages to expand more application scenarios.

Shifan Yu 2021-11-25
Enhanced authentication - MQTT 5.0 new features
Enhanced authentication - MQTT 5.0 new features

MQTT 5.0 adds a new feature enhanced authentication, which includes query/response style authentication can implement bi-directional authentication of the client and broker.

Rory Zhang 2020-09-21
Introduction to MQTT 5.0
Introduction to MQTT 5.0

Four years after the MQTT 3.1.1 has been released and became the OASIS standard, MQTT 5.0 was released, which is a significant improvement and upgrade.

Zibo Zhou 2020-09-18
Request Response - MQTT 5.0 new features
Request Response - MQTT 5.0 new features

MQTT 5.0 adds the Response Topic, and defines the interaction process for Request Response. This article will introduce this feature in an easy-to-understand way.

Zibo Zhou 2020-09-14
Flow control - MQTT 5.0 new features
Flow control - MQTT 5.0 new features

MQTT 5.0 brings many new features, this article will give an introduction to the use of the new feature "flow control" in an easy-to-understand way.

Zibo Zhou 2020-08-11
Subscription identifier and subscription options - MQTT 5.0 new features
Subscription identifier and subscription options - MQTT 5.0 new features

MQTT 5.0 brings many new features, this article will introduce the use of subscription identifier and subscription options, in an easy-to-understand way.

2020-08-04
EMQ X MQTT 5.0 topic rewrite
EMQ X MQTT 5.0 topic rewrite

EMQ X MQTT 5.0 topic rewrite supports rewriting topic A to topic B, when subscribing topics, publishing messages and unsubscribing in MQTT client according to the rule configured by clients.

2020-04-17
The process of publishing MQTT 5.0 message
The process of publishing MQTT 5.0 message

The MQTT 5.0 protocol has made some upgrades for part of QoS packet, and the processes of dealing with packets, this article below display some simple introduction about the content of upgrades.

2020-04-15
MQTT 5.0 Features of Inflight Window & Message Queue
MQTT 5.0 Features of Inflight Window & Message Queue

When the simultaneously existing packets in the network link exceeds the limit, that is, the Inflight Window reaches its length limit of the (see `max_inflight`), the EMQ X broker will no longer send subsequent packets, but will store these packets in the Message Queue.

2020-03-31
Shared subscription - MQTT 5.0 new features
Shared subscription - MQTT 5.0 new features

Shared subscription is a new feature introduced by MQTT 5.0 protocol, which is equivalent to the load balancing function of subscribers.

2019-12-06